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Why won't RTMP packets show up in my capture?

asked 2023-09-30 20:50:50 +0000

I can only see UDP activity.

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answered 2023-10-01 11:10:11 +0000

Henrik gravatar image

May it is using a different port than expected. Which port is the UDP traffic on? RTMP is expected to be on port 1935. If this is the correct port, then may Wireshark was not able to decode it correctly. The you can try to RMB on a packet and change the protocol via "Decode as"

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Thanks for the response.

The source port is 40489 and the destination port is 50994.

holyfather gravatar imageholyfather ( 2023-10-01 16:37:05 +0000 )edit

Then you should change the Port in Settings/Protocol and add the servier side port to the ports 1935 which is configured.

Henrik gravatar imageHenrik ( 2023-10-02 07:48:38 +0000 )edit

In my experience it will go all over the place. But if SIP packets are also captured then Wieshark is able to figure it out.

hugo.vanderkooij gravatar imagehugo.vanderkooij ( 2023-10-04 11:00:41 +0000 )edit

It may be that a streaming protocol other than RTMP is being used, so I need to look at ensuring I have identified the right protocol. That seems a bit tricky though.

holyfather gravatar imageholyfather ( 2023-10-05 19:16:40 +0000 )edit

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Asked: 2023-09-30 20:50:50 +0000

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Last updated: Oct 01 '23